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Samurai Appliance Repair Man's Blog

Whirlpool Direct Spark Ignition (DSI) System Monitoring and Lockout Control Scheme

Posted by Samurai Appliance Repair Man, in Oven-Range-Stove Repair 30 May 2014 · 883 views
Whirlpool, DSI, monitoring and 1 more...

DSI Monitoring System:
When power is applied to the range, a safety delay of 40 seconds takes place before the direct spark ignition control becomes operational. The 40 second delay allows any unused gas inside the oven cavity to dissipate before a spark is activated. When the Bake or Broil operation is activated, the direct spark ignition control initiates an “internal self-test” and “flame safety check.” The flame safety check takes place anytime there is a flame present at either oven burner.

The self-test checks both solenoids on the gas distribution valve to verify that they are properly connected. If they are not, the control will turn the oven off, or lock it out. If the test is successful, the control will then open the appropriate valve, and initiate sparking at the
burner ignitor. Both the bake and broil ignitors spark simultaneously. Sparking will not occur until the gas distribution valve opens.

Once the gas has ignited, the “flame safety circuit” will monitor the flame at the burner to make sure it is present. If a flame is not present at the burner:
a)The control will allow the ignitor to spark for 4 seconds.
b)A 40 second delay to dissipate any unused gas inside the oven will occur.
The ignition attempt will occur three times. If the burner does not ignite after the three attempts, the system will “lockout”

The control will perform an oven system lockout if:
a) Any of the self-test checks fail.
B) The oven fails to ignite after three ignition attempts.

c) A flame is present within the oven for more than 10 seconds after the gas valve is off.
d)The flame is unexpectedly lost for any reason after being established.

If this occurs, a lockout condition will occur after 30 seconds with no attempt to reignite.
During the lockout, the gas distribution valve and ignition are turned off. All lockouts can be reset by pressing the OFF/Cancel keypad on the Electronic Oven Control.

NOTE: There will be no indication on the electronic oven control display showing a lockout condition.

Source: Whirlpool SF362LXSB Gas Oven Keeps Shutting Off

Boot Camp Booty: Using the Schematic Diagram to Troubleshoot a Whirlpool Front-Load Washer that Won’t Run

Boot Camp, Whirlpool, washer
In this exciting episode, the Samurai shows you how to use the tech sheet schematic to troubleshoot a newer Whirlpool front load washer (one of the new Alpha2 platform washers) that acts like it wants to start but won’t. Watch with shock and awe as I ruthlessly hunt down the miscreant part and guide you through the troubleshooting process both on the machine itself and on the schematic diagram, demonstrating killa troubleshooting techniques that every tech should know. Come with me now on a journey of Total Appliance Enlightenment:

Using the Schematic Diagram to Troubleshoot a Whirlpool Front-Load Washer that Won’t Run

Is the Samurai Appliance Tech Boot Camp Fundamentals Course Right for You?

Posted by Samurai Appliance Repair Man, in Appliance Repair Training 04 May 2014 · 1,073 views
ATBC, appliance training
Since opening the Samurai Appliance Tech Boot Camp Fundamentals of Appliance Repair course up for general enrollment, I've gotten emails from techs with experience ranging from rookies (less than two years in the trade) to seasoned techs with over five years in the trade all trying to assess one thing: whether or not the Fundamentals course is right for them given their knowledge and experience.

Obviously, I can't speak to your knowledge or experience because it's not something that I have any first-hand knowledge of myself. I can, however, give you an idea of what the Boot Camp teaches in the form of a self-evaluation quiz that you can use to see what you know relative to what Boot Camp graduates learn and know. You can get this in our Sample course.

Just log in to ApplianceTechBootCamp.com and click the "Sample" tab in the upper menu. Once in the Sample course, click the "Sample Course Self-Assessment Exam” unit link in Module 2. But, again, you must be logged in at the Boot Camp site or the link will not be clickable.

Also, please note that your login at the Boot Camp site (ApplianceTechBootCamp.com) and this site (Appliantology.org) are different because they are two completely different websites running two different software packages and with two different registrations.

Based on the outcome of the exam, you can do an honest self-assessment of your skills to determine whether or not the Boot Camp would benefit you.

Samurai Appliance Tech Boot Camp Orientation

Boot Camp, ATBC and 1 more...
We launched the beta-testing phase of Part 1 of the Samurai Appliance Tech Boot Camp last week and our beta students are busily working their way through the course. We plan to have Part 1 ready and open for general enrollment by June 15th. The Orientation presentation gives you some idea of what to expect:

Christ is Risen!

Posted by Samurai Appliance Repair Man, in Samurai Incarnate 20 April 2014 · 1,141 views
Pascha, Easter
Posted Image

"Christ is risen from the dead, trampling down death by death, and upon those in the tombs, bestowing life."
-- Sung repeatedly at Orthodox Paschal Matins

"Christ is Risen!" "Indeed He is Risen!"
-- Traditional Orthodox Paschal greeting and response

"Enjoy ye all the feast of faith; receive ye all the riches of loving-kindness."
-- From the sermon of St John Chrysostom, read at Paschal Matins

"May of the joy of the Resurrection be with all!"
-- From a Samurai Paschal sermon

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